Protective effect of exogenously applied nitric oxide on aluminum-induced oxidative stress in soybean plants

Protective effect of exogenously applied nitric oxide on aluminum-induced oxidative stress in... Aluminum (Al) toxicity promotes oxidative damage in plants, while nitric oxide (NO) may exert a beneficial effect on Al toxicity condition in soybean. Pretreatment with NO donor sodium nitroprusside (SNP) before soybean exposure to Al significantly reduced Al accumulation and MDA induction in the root apex. Pretreatment with SNP also increased the relative root elongation, chlorophyll content, and activity of the protective enzyme peroxidase compared to Al treatment alone. These results show the effect of exogenously applied NO as a protector against oxidative stress induced by Al. Moreover, the ameliorating effect can be reversed by the addition of NO scavenger 2-(4-carboxy-2-phenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO) in the presence of Al. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Protective effect of exogenously applied nitric oxide on aluminum-induced oxidative stress in soybean plants

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443711050037
Publisher site
See Article on Publisher Site

Abstract

Aluminum (Al) toxicity promotes oxidative damage in plants, while nitric oxide (NO) may exert a beneficial effect on Al toxicity condition in soybean. Pretreatment with NO donor sodium nitroprusside (SNP) before soybean exposure to Al significantly reduced Al accumulation and MDA induction in the root apex. Pretreatment with SNP also increased the relative root elongation, chlorophyll content, and activity of the protective enzyme peroxidase compared to Al treatment alone. These results show the effect of exogenously applied NO as a protector against oxidative stress induced by Al. Moreover, the ameliorating effect can be reversed by the addition of NO scavenger 2-(4-carboxy-2-phenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO) in the presence of Al.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Aug 21, 2011

References

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